Ajax Add to cart Woo

ajax.js

// Ajax добавление товара в корзину
function addToCartAjax(){
	$('.single_add_to_cart_button').click(function(e){
		e.preventDefault();
		var product_id = $(this).val();
		var variation_id = $('input[name="variation_id"]').val();
		var quantity = $('input[name="quantity"]').val();
		var ajax_url = "/wp-admin/admin-ajax.php";
		$.ajax({
			url: ajax_url,
			type: 'POST',
			data: 'action=add_cart_single&product_id=' + product_id + '&variation_id=' + variation_id + '&quantity=' + quantity,

			success: function(result){
				var el = $('.Basket__text');
				var count = Number(el.text());
				var summ = count + Number(quantity);
				el.html(summ);
			}
		});
	});
}